Re: SET DEFAULT

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От Achilleus Mantzios
Тема Re: SET DEFAULT
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Msg-id Pine.LNX.4.44.0211131436510.9670-100000@matrix.gatewaynet.com
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Ответ на SET DEFAULT  (Archibald Zimonyi <archie@netg.se>)
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On Wed, 13 Nov 2002, Archibald Zimonyi wrote:

>
> Hi everyone,
>
> I have a problem with adding a column to an existing table. I want to add
> a column named modified which is of datatype TIMESTAMP and has a DEFAULT
> CURRENT_TIMESTAMP as it's initial value. I cannot do this with ALTER
> TABLE, it tells me to user ALTER TABLE SET DEFAULT instead but I cannot
> figure out the syntax with the help of the manuals.
>
> My ALTER TABLE looked like this:
>
> alter table decks add column modified timestamp default current_timestamp;

ALTER TABLE decks alter column modified SET DEFAULT current_timestamp;

>
> and the error I get is this:
>
> ERROR:  Adding columns with defaults is not implemented.
>         Add the column, then use ALTER TABLE SET DEFAULT.
>
> Thanks in advance,
>
> Archie
>
>
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==================================================================
Achilleus Mantzios
S/W Engineer
IT dept
Dynacom Tankers Mngmt
Nikis 4, Glyfada
Athens 16610
Greece
tel:    +30-10-8981112
fax:    +30-10-8981877
email:  achill@matrix.gatewaynet.com       mantzios@softlab.ece.ntua.gr



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